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Dynamic of decapod crustacean larvae on the entrance of Guanabara bay BABT
Fernandes,Lohengrin Dias de Almeida; Bonecker,Sérgio Luiz Costa; Valentin,Jean Louis.
In the present study, we observed seasonal variations in the density of decapod larvae as well as changes in density related to diurnal and tidal cycles. Among the decapod larvae collected, portunids and grapsids were the most abundant, especially during nocturnal ebb tides and near the surface. The same results were obtained in late winter (September) and late summer (March). These results demonstrated a flow of decapod larvae from Guanabara Bay to adjacent coastal waters. Luciferid (Lucifer faxoni) was the only group with high densities during flood tides and we suggest this is an evidence of L. faxoni larvae entering Guanabara Bay in late winter. Probably these changes in distribution of Lucifer faxoni among winter and summer were related to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crustacea Decapoda larvae; Zooplankton; Vertical Distribution; Vertical Migration; Dynamic; Guanabara Bay.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132002000600013
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